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Method of control for accuracy of thermoelectric temperature measuring instrument
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Ngày phát hành: 1980-05-09
Method of accuracy control for rockwell hardness tester
Ngày phát hành: 1978-04-21
Method of rockwell hardness test for heat treatment
Method of accuracy control for vickers hardness tester
Method of vickers hardness test for heat treatment
Method of accuracy control for shore hardness tester
Method of shore hardness test for heat treatment
Method of accuracy control for brinell hardness tester
Method of brinnel hardness test for heat treatment
